Note: Ingredients listed on restricted chemical lists
EC/CAS
123-86-4
Name of the chemical
acetic acid, butyl ester
Concentration
90-100
General Information
Revision date
2026-03-12
Product name
HumiSeal Thinner 73
Product Synonyms
n-butyl acetate, HumiSeal T73, HUM T73
CAS No.
123-86-4
1.2.1 Relevant identified uses
Thinner for protective coatings
Manufacturer Name
HUMISEAL EUROPE LTD
Emergency telephone
+44 (0) 118 944 2333, +44 (0) 870 820 0418
Icons in SDS
Company Information
company name
HUMISEAL EUROPE LTD
e-mail address of the competent person responsible for the Safety Data Sheet
europetechsupport@chasecorp.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H226, H319, H336, H402
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
OSHA defined hazards Hazards of the product as supplied
Physical hazards
Flammable liquids Category 3
Health hazards
Serious eye damage/eye irritation Category 2 Specific target organ toxicity, single exposure Category 3 narcotic effects
Environmental hazards
Hazardous to the aquatic environment, acute Category 3 hazard Hazardous to the aquatic environment, Category 3
2.3 Other hazards
Hazard(s) not otherwise None known. classified (HNOC)
Additional information
None.
Signal word
Warning
Hazard statements
H226 Flammable liquid and vapor. H319 Causes serious eye irritation. H336 May cause drowsiness or dizziness. H402 Harmful to aquatic life. H412 Harmful to aquatic life with long lasting effects.
Prevention
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P261 Avoid breathing mist/vapors. P264 Wash thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection.
Response
P303 + P361 + If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or P353 shower. P305 + P351 + IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present P338 and easy to do. Continue rinsing. P312 Call a POISON CENTER/doctor if you feel unwell. P337 + P313 If eye irritation persists: Get medical advice/attention. P370 + P378 In case of fire: Use appropriate media to extinguish.
Storage
P403 + P233 Store in a well-ventilated place. Keep container tightly closed. P403 + P235 Store in a well-ventilated place. Keep cool. P405 Store locked up.
Disposal
P501 Dispose of contents/container in accordance with local/regional/national/international regulations.
2.1 Classification of the substance or mixture
Other hazards Hazard(s) not otherwise None known. classified (HNOC) Supplemental information None.
